11.   All this makes for enormous challenges in the new electronic communities.

12.   Bradley would face an enormous challenge if he were to run as an independent because it is so costly to meet ballot-access rules in the states.

13.   But analysts said the consortium faced an enormous challenge if it is to succeed where BMW failed after a six-year, multibillion-dollar investment.

14.   But even start-ups with a lot of buzz and funding face enormous challenges.

15.   But removing the bodies would have been an enormous logistical challenge, even for a police force with far more staff and resources than the Ugandans can muster.

16.   But racial economic parity still remains an enormous challenge.

17.   Considering all possible contingencies that might be encountered in dealing with a pandemic is an enormous challenge because influenza is the most unpredictable of infections.

18.   Dealing with the legacy of Anne Frank was an enormous challenge, said Ellis, the writer of the television movie, because she remains such an iconic figure.

19.   Designing and implementing advanced telecommunications systems presented an enormous challenge, but with sweat and a lot of luck, their resilience paid off.

20.   Even with enormous diplomatic challenges to improve understanding, there have been a few crises along the way.